In theory, use of protons should reduce the exposure of normal tissue to radiation, possibly allowing the delivery of higher dosesof radiation to a tumor(9).
Boring construction work will be essential at Fukushima Daiichi NPS in the future, and they conducted tests of unmanned boring performance under high dose rates in order to reduce exposure of workers during boring construction work.
The image-guided radiosurgery device combines sophisticated beam shaping technology, precision targeting software, and robotics in order to precisely deliver a high dose of radiation to the tumor, while sparing more of the healthy surrounding tissue and organs.
Thus, for example, after radiotherapy a significant risk of secondary sarcomas exists in or near the high-dose(>50 Gy) treatment region, but not in distant organs exposed to low doses(49, 50).
At present, four types of medical techniques are applied to treatable patients with no metastasis, including those referred from other clinics and hospitals: surgical treatment covered by health care insurance, radiotherapy treatment(external beam radiation therapy), high dose rate brachytherapy, and brachytherapy.
Several randomized studies have demonstrated an improvement in freedom from biochemical(PSA based) recurrence with higher doses of radiation therapy(74- 79 Gy) as compared with lower doses(64- 70 Gy).
Kristian William, a helicopter pilot from Texas who flew aid goods from the Ronald Reagan to the Japanese mainland, suffers from cancer of the parathyroid gland, a rare form of cancer that is usually triggered by a high dosage of radiation.
Ultimately, using a high dose of testosterone or any anabolic steroids with diabetes to gain muscle mass or lean body mass can be a risky decision, and with the research suggesting that these bodybuilding supplements can lead to steroid induced hyperglycemia and diabetes, your best bet is to stick with natural alternatives.
手術とその前または後の高線量放射線療法。
High-dose radiation therapy before or after surgery.
手術で腫瘍を摘出できない場合は、高線量放射線療法。
High-dose radiation therapy for tumors that cannot be removed by surgery.
装置は腫瘍に直接、高線量の放射線を1回照射します。
A machine aims a single large dose of radiation directly at the tumor.
約200人のガン患者に高線量のセシウムとコバルトを照射。
Exposing almost 200 cancer patients to high levels of radiation from cesium and cobalt.
放射線療法は、永久制御の確率を高めるために高線量にする必要がある。
Radiation therapy must be carried to high doses for any significant probability of permanent control.
低線量の放射線が細胞に後の高線量の放射線を浴びるときの体制を高めさせるというもの…。
Where low doses of radiation can prime cells to withstand later, higher doses of radiation….
高線量での照射および診断時年齢の低さにより、経時的な処理速度の低下が予測された。
Higher doses of radiation and younger age at diagnosis predicted slower processing speed over time.
Iの投与後6~10ヵ月で、高線量と低線量の131I間で甲状腺除去率は等しかった。
Thyroid ablation rates were equivalent between high- and low-dose 131I at 6 to 10 months after administration of 131I.
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